package org.example;/**
 *
 * @author 甜圆
 * @date 2025/9/23 19:53
 * @version v1.0.1
 * @package org.example
 * @copyright 甜圆
 */
public class Test {

    public static void main(String[] args) {
        Person2 person1 = new Person2(new Address("武汉"));
        Person2 person1Copy = person1.clone();// true
        System.out.println(person1.getAddress() == person1Copy.getAddress());

        Integer a = 10;
        Integer b = 20;
        a.equals(b);

    }




}
